1 files changed, 107 insertions, 0 deletions
diff --git a/ext/standard/tests/file/fgets_error.phpt b/ext/standard/tests/file/fgets_error.phpt
new file mode 100644
index 000000000..347a10d95
--- /dev/null
+++ b/ext/standard/tests/file/fgets_error.phpt
@@ -0,0 +1,107 @@
+--TEST--
+Test fgets() function : error conditions
+--FILE--
+<?php
+/*
+ Prototype: string fgets ( resource $handle [, int $length] );
+ Description: Gets line from file pointer
+*/
+
+echo "*** Testing error conditions ***\n";
+// zero argument
+echo "-- Testing fgets() with zero argument --\n";
+var_dump( fgets() );
+
+// more than expected no. of args
+echo "-- Testing fgets() with more than expected number of arguments --\n";
+$fp = fopen(__FILE__, "r");
+var_dump( fgets($fp, 10, $fp) );
+
+// invalid length argument 
+echo "-- Testing fgets() with invalid length arguments --\n";
+$len = 0; 
+var_dump( fgets($fp, $len) );
+$len = -10;
+var_dump( fgets($fp, $len) );
+$len = 1; 
+var_dump( fgets($fp, $len) ); // return length - 1 always, expect false
+
+
+// test invalid arguments : non-resources
+echo "-- Testing fgets() with invalid arguments --\n";
+$invalid_args = array (
+  "string",
+  10,
+  10.5,
+  true,
+  array(1,2,3),
+  new stdclass,
+);
+/* loop to test fgets() with different invalid type of args */
+for($loop_counter = 1; $loop_counter <= count($invalid_args); $loop_counter++) {
+  echo "-- Iteration $loop_counter --\n";
+  var_dump( fgets($invalid_args[$loop_counter - 1], 10) );
+}
+
+// fgets() on a file handle which is already closed
+echo "-- Testing fgets() with closed/unset file handle --";
+fclose($fp);
+var_dump(fgets($fp,10));
+
+// fgets() on a file handle which is unset
+$file_handle = fopen(__FILE__, "r");
+unset($file_handle); //unset file handle
+var_dump( fgets(@$file_handle,10));
+
+echo "Done\n";
+?>
+--EXPECTF--
+*** Testing error conditions ***
+-- Testing fgets() with zero argument --
+
+Warning: Wrong parameter count for fgets() in %s on line %d
+NULL
+-- Testing fgets() with more than expected number of arguments --
+
+Warning: Wrong parameter count for fgets() in %s on line %d
+NULL
+-- Testing fgets() with invalid length arguments --
+
+Warning: fgets(): Length parameter must be greater than 0 in %s on line %d
+bool(false)
+
+Warning: fgets(): Length parameter must be greater than 0 in %s on line %d
+bool(false)
+bool(false)
+-- Testing fgets() with invalid arguments --
+-- Iteration 1 --
+
+Warning: fgets(): supplied argument is not a valid stream resource in %s on line %d
+bool(false)
+-- Iteration 2 --
+
+Warning: fgets(): supplied argument is not a valid stream resource in %s on line %d
+bool(false)
+-- Iteration 3 --
+
+Warning: fgets(): supplied argument is not a valid stream resource in %s on line %d
+bool(false)
+-- Iteration 4 --
+
+Warning: fgets(): supplied argument is not a valid stream resource in %s on line %d
+bool(false)
+-- Iteration 5 --
+
+Warning: fgets(): supplied argument is not a valid stream resource in %s on line %s
+bool(false)
+-- Iteration 6 --
+
+Warning: fgets(): supplied argument is not a valid stream resource in %s on line %d
+bool(false)
+-- Testing fgets() with closed/unset file handle --
+Warning: fgets(): 5 is not a valid stream resource in %s on line %d
+bool(false)
+
+Warning: fgets(): supplied argument is not a valid stream resource in %s on line %d
+bool(false)
+Done